Patent SG-11201806883P-A (SG)
Title: Biological removal of micropollutants from wastewater
Inventor: CHRISTENSSON MAGNUS
IPC: C02F101/30
Filed: 2017-03-07
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization 1111111101111011101010111110101111101110111101110110011011011111101111011111 International Bureau .. .... ..Yejd .... ..or::,,, (10) International Publication Number (43) International Publication Date WO 2017/153361 Al 14 September 2017 (14.09.2017) WIP0 I PCT (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every CO2F 3/12 (2006.01) CO2F 3/34 (2006.01) kind of national protection available): AE, AG, AL, AM, CO2F 3/30 (2006.01) CO2F 101/30 (2006.01) AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, CO2F 3/10 (2006.01) BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FL GB, GD, GE, GH, GM, GT, (21) International Application Number: HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, PCT/EP2017/055234 KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, (22) International Filing Date: MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, 7 March 2017 (07.03.2017) NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, (25) Filing Language: English TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, (26) Publication Language: English ZA, ZM, ZW. (30) Priority Data: (84) Designated States (unless otherwise indicated, for every 1650321-1 9 March 2016 (09.03.2016) SE kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, (71) Applicant: VEOLIA WATER SOLUTIONS & TECH- TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, NOLOGIES SUPPORT [FR/FR]; 1 Place Montgolfier, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, Immeuble L'Aquarene, 94410 Saint-Maurice (FR). DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, L (72) Inventors: CHRISTENSSON, Magnus; Ferievagen 5, V, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CL CM, GA, GN, GQ, 224 67 LUND (SE). WELANDER, Thomas; Ljunggatan GW, KM, ML, MR, NE, SN, TD, TG). _ 25B, 244 65 FURULUND (SE). Published: (74) Agent: STROM & GULLIKSSON AB; P.O. Box 4188, = SE-203 13 MALMO (SE). — with international search report (Art. 21(3)) = = = = (54) Title: BIOLOGICAL REMOVAL OF MICROPOLLUTANTS FROM WASTEWATER = = — 162 — 108 107 \ 165 _ \ 105 163 = = . 110 120 130 140 150 166 / 17 170 = I , = 160 = 161 / 300 _ Il Figure 3 Il M (57) : The invention pertains to a method (200, 300, 400) of at least partly removing at least one micropollutant from M wastewater (104) comprising carbogenous compounds and at least one micropollutant. The method comprising the steps of: (a) di- 1-1 viding the wastewater (104) into a main stream (105) and a side stream (106); (b) treating main stream (105) with bacteria to reduce ----. the content of carbogenous compounds to provide depleted wastewater (107) comprising at least one micropollutant; (c) treating the IN depleted wastewater (107) with a second portion of microorganisms (162), having the ability of degrading the at least one micropol- lutant, to, at least partly, remove the at least one micropollutant thereby providing treated water (170), wherein the second portion of ei microorganisms (162) have been enriched by feeding the side stream (106) to it before using the second portion of microorganisms O(162) in treating the depleted wastewater (107); and (d) feeding a first portion of microorganisms (161), having the ability of degrad- ing the at least one micropollutant, with the side stream (106), to enrich them for subsequent use in treating the depleted wastewater P.- (107) to at least partly remove the at least one micropollutant.